Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.2 mm in diameter, to 24.0 m of copper wire 1.8 mm in diameter.
Resistance of wire is given by
Where L is length of wire
d=diameter of wire
and
Resistivity of copper
pcu=1.68*10-8 ohm-m
Resistivity of aluminium
pAl=2.65*10-8 ohm-m
Therefore
Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.2 mm in diameter, to 24.0 m of copper wire 1.8 mm in diameter.
Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.4 mm in diameter, to 28.0 m of copper wire 1.7 mm in diameter. The resistivity of copper is1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m.
Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.4 mm in diameter, to 26.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68× 10 −8 Ω⋅m and the resistivity of aluminum is 2.65× 10 −8 Ω⋅m .
Calculate the ratio of the resistance of 15.0 m m of aluminum wire 2.4 mm m m in diameter, to 24.0 m m of copper wire 1.5 mm m m in diameter.
Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.0 mm in diameter, to 20.0 m of copper wire 2.5 mm in diameter. Assume electrical resistivity of aluminum is 2.65×10−8 Ω⋅m and electrical resistivity of copper is 1.68×10−8 Ω⋅m. Answer in RAl/RCu =
What is the resistance of a 2.9-m length of copper wire 1.8 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
What is the resistance of a 5.9-m length of copper wire 1.2 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
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